ob_trx_timeout

Description

The ob_trx_timeout variable specifies the transaction timeout value.

Privilege requirements

• Query variables

  • Global level

    sys tenants and user tenants can execute the SHOW VARIABLES statement or view the SYS.TENANT_VIRTUAL_GLOBAL_VARIABLE view (in Oracle mode) or the information_schema.GLOBAL_VARIABLES view (in MySQL mode) to query the value of a global system variable.

  • Session level

    sys tenants and user tenants can execute the SHOW VARIABLES statement or view the SYS.TENANT_VIRTUAL_SESSION_VARIABLE view (in Oracle mode) or the information_schema.SESSION_VARIABLES view (in MySQL mode) to query the value of a session system variable.

• Modify variables

  • Set the variable at the global level

    • sys tenants can directly modify the value of a global system variable.

    • MySQL user tenants must have the SUPER or ALTER SYSTEM privilege to modify the value of a global system variable.

    • Oracle user tenants must have the ALTER SYSTEM privilege to modify the value of a global system variable.

  • Set the variable at the session level

    sys tenants and user tenants can directly modify the value of a session system variable in their own tenant.

Attributes

Examples

The following examples show how to set the transaction timeout value to 86400000000 microseconds.

• Set the variable at the session level

  obclient> SET ob_trx_timeout =86400000000;
  

• Set the variable at the global level

  obclient> SET GLOBAL ob_trx_timeout =86400000000;